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Anisotropic low-temperature magnetoresistivity in the normal state of L2−xCexCuO4 single crystals

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dc.contributor Universitat de Vic. Escola Politècnica Superior
dc.contributor.author Crusellas Font, M. Àngels
dc.contributor.author Fontcuberta, J.
dc.contributor.author Piñol, S.
dc.date.accessioned 2014-05-22T09:04:48Z
dc.date.available 2014-05-22T09:04:48Z
dc.date.created 1994
dc.date.issued 1994
dc.identifier.citation Crusellas Font, M. À., Fontcuberta, J., & Pinol, S. (1994). Anisotropic low-temperature magnetoresistivity in the normal-state of L(2-X)ce(x)cuo(4) single-crystals. Physica C; International Conference on Materials and Mechanisms of Superconductivity - High Temperature Superconductors IV (M2S-HTSC IV), GRENOBLE, FRANCE. , 235 1401-1402. ca_ES
dc.identifier.issn 0921-4534
dc.identifier.uri http://hdl.handle.net/10854/3069
dc.description.abstract We report in-plane ρab(T, H) and c-axis ρc(T, H) electrical magnetoresistivity measurements on several L2−x CexCuO4 (L=Pr, Sm, Nd) superconducting single crystals. It is found that in the normal state both resistivities ρab(T) and ρc(T) display a minimum at certain temperatures Tminab and Tminc which separates regions of metallic behavior at T>Tmin from semiconducting-like behavior at T<Tmin. In the low-temperature region (T<Tmin), ρab(T) has a logarithmic temperature dependence ρab≈-ln T and negative magnetoresistivity which are argued to be due to 2D localization effects. In contrast, at low temperatures, ρc(T) can be described in terms of a hopping conductivity. ca_ES
dc.format application/pdf
dc.format.extent 9 p. ca_ES
dc.language.iso eng ca_ES
dc.publisher Elsevier ca_ES
dc.rights Tots els drets reservats
dc.rights (c) 1994 Elsevier. Published article is available at: http://dx.doi.org/10.1016/0921-4534(94)90210-0 ca_ES
dc.subject.other Semiconductors ca_ES
dc.title Anisotropic low-temperature magnetoresistivity in the normal state of L2−xCexCuO4 single crystals ca_ES
dc.type info:eu-repo/semantics/conferenceObject ca_ES
dc.identifier.doi https://doi.org/10.1016/0921-4534(94)90210-0
dc.relation.publisherversion http://www.sciencedirect.com/science/article/pii/0921453494902100
dc.rights.accesRights info:eu-repo/semantics/closedAccess ca_ES

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